3M™ Marine Adhesive Sealant 5200 Fast Cure is a one-component, high-strength, moisture-curing, gap-filling polyurethane for permanent bonding of aluminum, wood, gelcoat and fiberglass. This fast cure version of 5200 is formulated to typically cure within 48 hours. It chemically reacts with moisture to provide strong, flexible bonds above or below the waterline.

Forms Tough and Flexible Permanent Bonds
Forming watertight seals, 3M™ Marine Adhesive Sealant 5200 Fast Cure offers permanent adhesion to wood, gelcoat and fiberglass. In addition, our marine adhesive sealant is flexible and allows for structural movement and dissipation of stress that may be caused by vibration, swelling, shrinking or shock. Available in cartridge and sausage packs to meet your application needs.
Recommended Applications
Fiberglass deck to hull
Through hull fittings
Wood to fiberglass
Portholes and deck fittings
Motors on fiberglass transoms
Under moldings
Hull seams above and below water line
Deck housing
Combats Vibrations, Swelling, Shrinking and Shock
3M™ Marine Adhesive Sealant 5200 Fast Cure is designed to meet the high demands of the marine environment, making it ideal for creating tough bonds above and below the water line. We formulated our sealant to provide an exceptionally strong solution for marine conditions as well as flexibility that combats vibrations, swelling, shrinking or shock. Once again, despite the barriers of a rough marine environment, 3M looked to science to provide a reliable, durable solution.
Designed to Endure Marine Environments
3M™ Marine Adhesive Sealant 5200 Fast Cure is a part of our broad range of adhesive sealants uniquely formulated for the marine market. Designed for reliable performance, 3M Marine Adhesive Sealant 5200 Fast Cure provides the high strength and flexibility for permanent bonding applications.
Understanding Polyurethane Sealants
Polyurethane sealants provide strong, flexible durable elastomeric bonds that seal against the elements. These sealants excel in challenging industrial, transportation and construction applications. Polyurethane sealants are available in a wide variety of Shore A hardness, open time and colors to meet many application needs. Choose a 3M Manual or Pneumatic Applicator for dispensing 3M adhesives sealant cartridges and 400ml/600ml sausage packs.
Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.